/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/DatasmithMaterialExpressions.h
enum EDatasmithTextureSlot { DIFFUSE, METALLIC, SPECULAR, ROUGHNESS, EMISSIVECOLOR, OPACITY, OPACITYMASK, NORMAL, WORLDPOSITIONOFFSET, SUBSURFACECOLOR, COATSPECULAR, COATROUGHNESS, AMBIANTOCCLUSION, REFRACTION, PIXELDEPTHOFFSET, SHADINGMODEL, MATERIALATTRIBUTES, NOSLOT, }